diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5896bd00..4a62f2da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,6 +53,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
       - uses: actions/setup-node@v4
       - name: Install
         run: |